code: def run_pso_demo(self):
      pso = ParticleSwarmOptimizer()
      pso.optimize()
      return
  
file_path: advisor/advisor_server/suggestion/algorithm/particle_swarm_optimization.py
imports: from __future__ import print_function
  import json
  import random
  from suggestion.models import Study
  from suggestion.models import Trial
  from suggestion.algorithm.abstract_algorithm import AbstractSuggestionAlgorithm
label_desc: Use image node_id 1 for calling the ParticleSwarmOptimization obj's underlying member method code with example usage: obj.run_pso_demo() without return types